A recovering anorexic has celebrated her recovery by taking on a chocolate cake food challenge – with a dessert that serves 40 people.

Izzy Kirkman, 23, filmed herself eating the mammoth 11,000 calorie pudding – which is suggested to serve 40 people – over four hours to show the physical and mental effects such a binge has on the body.

Pic by Caters News

The personal trainer, who is originally from Surrey but now lives in Birkenhead, Merseyside, suffered from anorexia for five years but has been in recovery for the last four years.

“I was doing a food shop at Asda and saw the cake in the clearance section for just £2.50.

“I wanted to document the physical affects, both visual and in terms of feelings, and the mental affects that eating that amount of ‘food’ has on the body.

Pic by Caters News

“In completing the challenge I was able to take on the mental side effects I would have faced if I wasn’t in such a stable mindset, and didn’t have control over my eating disorder and the disordered thoughts.

“These would have included high anxiety, depression and disordered behaviours.”

Pic by Caters News

Having found her happiness in fitness, Izzy now helps people to reach their fitness goals.

In her footage, she reveals the heavy bloating and physical weight gain she faces after demolishing the cake, but points out this is a natural process caused by the food digesting and is not body fat.

Izzy admitted during the challenge she was so physically and mentally exhausted she was forced to go for a nap to prevent herself from being physically sick.

Pic by Caters News

She also was forced to sleep to reduce an oncoming migraine caused by the staggering 697mg of caffeine in the beast of a cake.

But Izzy, who now weighs a healthy weight, is not recommending her followers take on the same challenge.

She said: “I would not recommend this challenge.

Pic by Caters News: Pictured: Izzy Kirkman before eating the cake

Pic by Caters News: Izzy Kirkman after eating the cake.

“This is because it is not healthy in the slightest. It could have detrimental effects on your mental state and physical state.

“It also normalises an unhealthy relationship with food.

“But I am lucky and grateful enough to be in a place where I am able to understand and control the distorted thoughts and feelings that come with this kind of challenge.”